Zonegreen Rail Depot and Workshop Safety Technology
Delivering intelligent technologies to offer protection from dangerous environments in a safe and efficient manner.
Zonegreen’s team of experts has developed an impressive range of intelligent technologies to offer safety-related products and innovative planning of train maintenance operations, and has forged an unrivalled reputation for quality, safety and reliability.
Depot personnel protection systems, interlocking solutions, as well as railway maintenance planning applications and out-of-gauge warning systems are installed worldwide and can be used in sectors as diverse as transport, petrochemicals and aerospace.
Depot personnel protection system
The Depot Personnel Protection System, commonly referred to as the Depot Protection System, is specialised and designed to ensure the safe and controlled movement of rail vehicles into and out of depots, so that maintenance operations can be conducted without endangering staff or the depot infrastructure.
Zonegreen’s SMART DPPS™ is highly advanced, state-of-the-art and incorporates intelligent, distributed communication technology, as well as electronic personnel datakeys to uniquely identify staff working in different safety zones.
The Zonegreen’s SMART DPPS™ allows the user to:
- Login from any convenient point of access using a unique personnel datakey, replacing the need for padlocks
- Easily identify personnel who are logged onto different roads
- Interlock with other third-party equipment/systems to prevent unsafe movement
- Protect working staff and other interlocked equipment from vehicle movement
- Capture personnel logon/logout and movement history for future audit purposes
Additionally, where overview software is included, the status of Zonegreen’s SMART DPPS™ and personnel logged on will be visualised graphically from the depot manager’s office via a wall display.
Points converter for powering manual points
Designed to increase railway depot and workshop safety and efficiency, the Zonegreen Convertor allows the automation and remote operation of manual / hand points switches and rail road crossings.
Benefits of powering your manual points
- Enhanced safety by reducing the potential for slips, trips and falls
- Increased depot efficiency and speeding up of operations by eliminating many stops and starts
- Expandable: routes can be pre-set, re-configured and upgraded at any time
- Traceability includes an event logging system that allows the depot manager to keep a record of the points operation
- Low cost
- LUL approved
The Zonegreen convertor system comprises two parts:
- Point Machine Conversion System: a point machine conversion device is attached to an existing manually-operated switch without compromising the integrity of the existing mechanism. It does not require any civil works or changes in the operating procedures to be installed. Each converter can be used as a stand alone or multiple units can be installed operating together with routing
- Radio Remote Operator’s Controller: an intuitive handset that allows the operator to remotely control the points system. It can be either hand portable or cab mounted. A centralised control system is also available via windows PC interface that offers route planning and visualisation. The radio controller can also be used in a route selection mode, whereby one command can operate several points and crossings simultaneously
Train maintenance planner
The planning of train maintenance operations is still commonly conducted on a big whiteboard located in the operations control room, on which the train units that require servicing, maintenance tasks, arrival and departure times are listed. These are updated manually either in a tabular form or on top of a graphical layout representing a bird’s eye view of the depot.
Zonegreen’s depot manager, as a multi-user, web-based graphical task planning application, is a cost-effective replacement of the whiteboard. It consists of two main views: a graphical layout representing the depot on which users can position trains and create and assign maintenance tasks, and a tabular layout to plan trains’ scheduled arrivals and departures.
The train maintenance function of the depot manager allows staff to:
- Plan train-unit maintenance activities
- Easily visualise train locations in graphical layout
- Accurately update and synchronise maintenance information
- Share and disseminate maintenance information to different locations in a convenient way
- Capture maintenance activities and generate reports, reducing the manual tasks of filling in maintenance forms and paperwork
Safety interlocking systems
The concept of interlocking has been applied to create increasingly sophisticated systems with the potential to prevent personal injury or costly damage. These systems can stop unauthorised train movements or actions by personnel not following stipulated safety procedures.
A typical installation is vastly superior to a permit to work system (which depends on personnel obeying written rules); physically prevents access to high-level working platforms while overhead line equipment remains live; isolates power to overhead crane while OLE is live; and ensures a safe system of work.
Out-of-gauge warning system
Zonegreen’s out-of-gauge warning system has been developed in response to rail industry demand for a ‘gold standard’ in obstacle detection systems. It is based around a series of non-contact laser rangefinder sensors and prevents a train from leaving the depot if its side skirt has not been fully closed.
If the sensor detects any kind of obstruction, for example an open side skirt, it will trigger an alert on the outbound visual warning board and illuminate a driver warning stop board on the depot exit road. The stop signs will remain illuminated until the warning is reset via the master keyswitch.
The out-of-gauge warning system is flexible and has a range of programmable options, such as a delayed response to help prevent the triggering of false alerts. It may also be expanded to cover the entire side area of the vehicle using a multiple sensor arrangement.
Depot safety-related equipment
Zonegreen offers a range of safety-related equipment for depots, including but not limited to:
- Ground position signals
- High level or pit warning beacons – static or flashing
- Klaxons
- Speed indication detectors
- Stop and proceed boards
- Electronic wheel-detect switches (treadle switch)
- Portable warning systems
Maintenance and installation works at rail and tram facilities
Zonegreen is now able to undertake additional servicing maintenance and installation works at rail and tram maintenance facilities (IRSE installers) in addition to its normal servicing of depot personnel protection and interlocking systems. Zonegreen now offers the following:
- Points / switches
- Track circuit renewal (IRSE licensed)
- Signal including axle counters
- Cable testing (SMTH standards)
- Barrier systems
- AWS & TPWS systems
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Related Projects
Press Release
Zonegreen is providing advanced technology for the Crown Point rail depot in Norwich, UK, designed to prevent accidents and offer protection to staff.
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Read moreRail safety specialist, Zonegreen, is marking a milestone moment in its history, as the 1,000th order of its depot protection equipment prepares to leave the firm's Sheffield headquarters.
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Read moreInnovative software developed by Sheffield's Zonegreen is keeping operations at Italy's most advanced rail depot running smoothly and efficiently. Alstom has installed the South Yorkshire rail safety specialist's Operator Planning Suite (OPS) to oversee all of the daily functions in its maintenance centre near Nola.
Read moreRail safety specialist, Sheffield-based Zonegreen, is transforming a Victorian maintenance facility into one of the most secure and efficient depots in the UK. London Midland's Tyseley depot, near Birmingham, is the latest British facility to implement Zonegreen's market leading SMART Depot Personnel Protection System (DPPS).
Read moreSafety is of critical importance to the rail industry as a whole, from senior management downwards. However, it can also be good for business. Sheffield-based rail safety expert Zonegreen says the demand for innovative safety solutions is helping drive the company's product expansion in the UK and abroad.
Read moreThe product, which has been in development for two years, represents a leap forward in derailer assembly technology, and is thought to be completely unique in the market. It builds on Zonegreen's previous model, which is used widely on rail track across the UK.
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Read moreA state-of-the-art Points Converter, designed to improve safety, efficiency and traceability, has been launched by Zonegreen in response to demand for a cost-effective automated solution. The convertor enables the automation and remote operation of any manual points, switches and rail ro
Read moreA decade after first working together, rail transport giant Alstom has invited UK rail safety company Zonegreen to provide the latest in depot protection systems at a number of traincare facilities, including Polmadie and Wembley. Alstom – manufacturers of the AGV, TGV and Eurostar seri
Read moreZonegreen is delighted to present its brand new product, closing force monitor (CFM). The zonegreen CFM is a unique device in the railway industry designed to precisely measure and assess the closing force of train and tram doors. Specially engineered to ensure passenger safet
Read moreZonegreen is now able to undertake additional servicing maintenance and installation at Rail and Tram maintenance facilities. Zonegreen is now able to undertake addtitional servicing, maintenance and installation works at rail and tram maintenance facilities (IRSE Installers) in additio
Read moreUK-based rail safety experts Zonegreen have completed the commissioning process for advanced safety equipment at major traincare depots in Wellington, New Zealand. With the co-operation of their Australian agent Andrew Engineering, the Sheffield-based company has supplied its SMART dep
Read moreLeading UK rail safety company Zonegreen has won a major contract to supply KiwiRail with state-of-the-art depot protection products as part of New Zealand's program of railways development. The Sheffield-based team of research engineers and scientists will supply its SMART™ Depot
Read moreThe Dubai Metro Red Line will be fully open in a matter of months, and UK company Zonegreen is delighted to be playing a key safety role in the development of the world's most advanced automated metro network. The Sheffield-based team of research engineers and scientists was contracted
Read moreAn innovative safety product, already nicknamed the 'skirt detector', has been launched this week by Zonegreen, and the first installation at Siemens' prestigious Heathrow Express depot has now been commissioned. The new Out of Gauge Warning System has been developed in response to rail
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Read moreLeading UK-based rail safety company Zonegreen is urging SMART DPPS users to take advantage of Zonegreen's specialist 'Safety First' service contracts, in a drive to promote safety, reduce system downtime and maximise the lifespan of equipment. Christian Fletcher, technical director of
Read moreLeading UK-based rail safety company Zonegreen has become the first company in its sector to join forces with an Australian agent to launch its products into the fast developing Australian market. Until recently rail transport in Australia has been predominantly freight, but now &md
Read moreA team from Zonegreen will fly to Australia next week to take part in the largest annual rail event in the Asia Pacific region. The UK-based company – a world leader in the provision of standard rail safety solutions – will showcase its products to rail professionals from across the
Read moreA state-of-the-art traincare depot planning tool, which looks set to revolutionise operational efficiency and mark the end of the handwritten whiteboard, has been launched by Zonegreen. The UK-based company – a world leader in the provision of bespoke rail safety solutions – has
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Sir John Brown Building
Davy Industrial Park
Prince of Wales Road
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